Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
In 1938, thanks to years of work by a remarkable female agent, MI5 ensured a package of British defence plans stayed secret.
Series
Room 40 and successors: World War I Official Histories
Catalogue reference: HW 7
What's it about?
HW 7
Official histories of the First World War from the viewpoint of the various signals intelligence organisations written by Senior Government Code and Cypher School members of staff. The series also includes some semi-official historical papers...
Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
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HW 7
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Title (The name of the record)
- Room 40 and successors: World War I Official Histories
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Date (When the record was created)
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[c1910]-1923
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Description (What the record is about)
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Official histories of the First World War from the viewpoint of the various signals intelligence organisations written by Senior Government Code and Cypher School members of staff. The series also includes some semi-official historical papers relating to specific incidents during the war (such as the sinking of the Hampshire and the battle of Jutland) and files of decrypts of intercepted enemy communications.
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Held by (Who holds the record)
- The National Archives, Kew
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Legal status (A note as to whether the record being described is a Public Record or not)
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Public Record(s)
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Language (The language of the record)
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English
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Creator(s) (The creator of the record)
- Room 40, 1914-1917
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Physical description (The amount and form of the record)
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35 files and volumes
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Access conditions (Information on conditions that restrict or affect access to the record)
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Open
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Immediate source of acquisition (When and where the record was acquired from)
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From 1995 Government Communications Headquarters
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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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Accruals (Indicates whether the archive expects to receive further records in future)
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Series is accruing
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C9286/
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
You are currently looking at the series: HW 7
Room 40 and successors: World War I Official Histories
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